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单词 water cycle
释义

water cyclen.2

Brit. /ˈwɔːtə ˌsʌɪkl/, U.S. /ˈwɔdər ˌsaɪk(ə)l/, /ˈwɑdər ˌsaɪk(ə)l/
Origin: Formed within English, by compounding. Etymons: water n., cycle n.1
Etymology: < water n. + cycle n.1
The natural cycle in which water on the earth evaporates, enters the atmosphere, and falls again as precipitation.
ΚΠ
1894 Jrnl. Inst. Jamaica 1 41/2 We have now completed our brief survey of what may be termed the Vertical Water-Cycle, since the circulation of the water takes place in a vertical plane.
a1933 J. A. Thomson Biol. for Everyman (1934) II. 917 This water cycle..produces an almost constant temperature in the ocean, as well as constancy of composition and of alkalinity.
1992 Amer. Scholar Autumn 592/1 The section on biology discusses the oxygen-carbon cycle, photosynthesis, the water cycle.
2006 V. Smil Transforming 20th Cent. vi. 302 Its major impacts would include intensification of the global water cycle, changed precipitation, higher circumpolar runoffs, [etc.].
This is a new entry (OED Third Edition, September 2015; most recently modified version published online June 2022).
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更新时间:2024/12/22 21:28:19